US Bridges

Ia 2 over Walnut Creek

Fair

Appanoose County, Iowa · 0.9 Mi. E of Jct. SR S70 · Structure no. 000000000013760

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
2,030
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 2 over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 2 over Walnut Creek in Appanoose County, Iowa. It was built in 1971, so it is 54 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,030 vehicles a day, roughly 16% of them trucks, projected to reach 2,030 by 2044. The structure is 197 ft (60 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIa 2
CrossesWalnut Creek
Location0.9 Mi. E of Jct. SR S70
RouteState Highway 2
CountyAppanoose County
StateIowa
Coordinates40.74325, -93.02934
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.5 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length197 ft (60 m)
Longest span65 ft (19.8 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,030 (2022)
Projected traffic2,030 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 2 over Walnut Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ia 2 over Walnut Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Ia 2 over Walnut Creek carry?

About 2,030 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 2 over Walnut Creek?

The structure is 197 ft (60 m) long with a longest span of 65 ft (19.8 m) and a deck 48 ft wide.

Who owns Ia 2 over Walnut Creek?

It is owned by the State Highway Agency.